There is much talk in our digital age of silent pianos, and here we mean acoustic instruments with the facility to operate also in a silent mode. The attractions of being able to play without other people hearing, and of being able to store one’s performance on a digital platform, can be appreciated by us all.

Generally, the pianos that we sell are traditionally made. This means that the strings, hammers and soundboard have been manufactured to provide the pianist with a fine variety of acoustic textures.

A silent system functions by preventing the hammers from striking the strings, making the acoustic properties of the piano redundant. Light sensors, which are located out of sight under the keys, send signals to a control box which recreates synthesised piano sounds that can be heard through headphones, a mobile phone or a PA system.

The silent piano thus has to operate in two quite distinct modes – (1) the normal acoustic piano mode and (2) the silent mode. Retrospectively fitted silent systems have created problems for us since the regulation has to be adjusted in order to accommodate it. With the “set-off” set further away from the strings the pianist's experience is compromised.

We advocate the Schimmel Twintone system. This is fitted in the factory and as such provides a more reliable performance. For grand pianos, both Schimmel and Yamaha have patented mechanical action modifications. This means that these two silent systems are the only ones that we know of that do not upset the escapement action. We show the two patented systems here:

Yamaha double jack

Schimmel in acoustic mode

Schimmel in silent mode

Yamaha Pianos have modified the jack: they call it the “double jack” and it has two bumps, one of which operates in acoustic mode and the other in silent mode. One could reasonably say, however, that the Schimmel design is more ingenious in its simplicity: the jacks are not altered - instead the rail on which the set-off buttons are mounted is moveable; it simply shifts downwards to enable silent operation.  

These are the usual rates (but do notice the special promotion detailed above): in terms of prices, supplying any Schimmel upright with Twintone will add about £2,800; any Schimmel grand with Twintone will add about £7,300. There are a number of issues to consider here and we are always happy to discuss.  

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